Abundance, ecology and dispersal of wood bison (Bison bison athabascae Rhoads) in Yakutia
https://doi.org/10.31242/2618-9712-2024-29-3-470-478
Abstract
In 2006, 2011, 2013, and 2020, four groups of young wood bison, each made up of 30 individuals from Canada, were introduced to Yakutia. The bison began to reproduce at ages 2 to 3 in 2008. Their mating behavior was first noted in 2007 when they were 2 to 3 years old, and calving took place in the spring of 2008 when they were 3 to 4 years old. Between 2008 and 2023, 16 generations of calves were born from both Canadian and Yakutia-born bison. The percentage of females that gave birth varied each year, ranging from 46.2% to 92.3%, with an average of 69.3 ± 5.4%. In 2017 and 2018, some bison were released in the middle section of the Sinyaya River. By 2023, the total population of bison in the nurseries “Ust-Buotama,” “Tympynai,” and in free-ranging groups reached 348 individuals. We discuss the characteristics of pastures, plant nutrition, feeding, reproduction, reintroduction to the wild, and the distribution of bison in Yakutia and surrounding areas. Bison have adapted well to the region’s climate, which features long winters, short summers, and extremely low winter temperatures. Central Yakutia offers a broad ecological niche for bison, with shallow valley lands that have meadow and shrub vegetation. This environment supports the potential for successfully restoring the historical habitat of the Bison genus in Yakutia and nearby regions. To avoid inbreeding and preserve genetic diversity, it is crucial to regularly release animals into the wild and occasionally introduce new individuals from various parks in Canada.
Supporting agencies: This study was conducted within the state assignment of the Ministry of Science and Higher Education of the Russian Federation for the project “Populations and communities of aquatic and terrestrial ecosystems of the cryolithozone in the eastern sector of the Russian Arctic and Subarctic: diversity, structure, and sesilience under natural and anthropogenic impacts” (theme No. FWRS – 2021–0044, registration No. 121020500194 – 9).
About the Authors
V. M. Safronov
Institute for Biological Problems of Cryolithozone, Siberian Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Valery M. Safronov, Dr. Sci. (Biol.), Chief Researcher
ResearcherID: JJF-3847-2023
Scopus Author ID:55848081500
Yakutsk
R. N. Smetanin
Institute for Biological Problems of Cryolithozone, Siberian Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Roman N. Smetanin, Junior Research
ResearcherID: HOC-3362-2023
Yakutsk
K. A. Petrov
Institute for Biological Problems of Cryolithozone, Siberian Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Klim A. Petrov, Dr. Sci. (Biol.), Leading Researcher
Researcher-ID: J-9029-2018
Scopus Author ID: 36020476500
Yakutsk
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Review
For citations:
Safronov V.M., Smetanin R.N., Petrov K.A. Abundance, ecology and dispersal of wood bison (Bison bison athabascae Rhoads) in Yakutia. Arctic and Subarctic Natural Resources. 2024;29(3):470-478. (In Russ.) https://doi.org/10.31242/2618-9712-2024-29-3-470-478
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